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228 lines
7.8 KiB
228 lines
7.8 KiB
/*****************************************************************************
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* showintf.c: control the display of the interface in fullscreen mode
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*****************************************************************************
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* Copyright (C) 2004 the VideoLAN team
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* $Id$
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*
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* Authors: Olivier Teuliere <ipkiss@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_interface.h>
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#include <vlc_vout.h>
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#include <vlc_playlist.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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/*****************************************************************************
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* intf_sys_t: description and status of interface
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*****************************************************************************/
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struct intf_sys_t
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{
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vlc_mutex_t lock;
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vlc_object_t *p_vout;
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bool b_button_pressed;
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bool b_triggered;
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int i_threshold;
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};
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/*****************************************************************************
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* Local prototypes.
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*****************************************************************************/
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int Open ( vlc_object_t * );
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void Close( vlc_object_t * );
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static void RunIntf( intf_thread_t *p_intf );
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static int MouseEvent( vlc_object_t *, char const *,
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vlc_value_t, vlc_value_t, void * );
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define THRESHOLD_TEXT N_( "Threshold" )
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#define THRESHOLD_LONGTEXT N_( "Height of the zone triggering the interface." )
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vlc_module_begin ()
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set_shortname( "Showintf" )
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set_description( N_("Show interface with mouse") )
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set_capability( "interface", 0 )
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set_callbacks( Open, Close )
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set_category( CAT_INTERFACE )
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set_subcategory( SUBCAT_INTERFACE_CONTROL )
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add_integer( "showintf-threshold", 10, NULL, THRESHOLD_TEXT, THRESHOLD_LONGTEXT, true )
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vlc_module_end ()
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/*****************************************************************************
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* Open: initialize interface
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*****************************************************************************/
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int Open( vlc_object_t *p_this )
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{
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intf_thread_t *p_intf = (intf_thread_t *)p_this;
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/* Allocate instance and initialize some members */
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intf_sys_t *p_sys = p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
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if( p_sys == NULL )
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return VLC_ENOMEM;
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vlc_mutex_init( &p_sys->lock );
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p_sys->p_vout = NULL;
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p_sys->b_button_pressed = false;
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p_sys->b_triggered = false;
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p_sys->i_threshold = config_GetInt( p_intf, "showintf-threshold" );
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p_intf->pf_run = RunIntf;
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close: destroy interface
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*****************************************************************************/
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void Close( vlc_object_t *p_this )
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{
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intf_thread_t *p_intf = (intf_thread_t *)p_this;
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/* Destroy structure */
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vlc_mutex_destroy( &p_intf->p_sys->lock );
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free( p_intf->p_sys );
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}
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/*****************************************************************************
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* RunIntf: main loop
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*****************************************************************************/
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static void RunIntf( intf_thread_t *p_intf )
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{
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int canc = vlc_savecancel( );
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/* Main loop */
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while( vlc_object_alive( p_intf ) )
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{
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vlc_mutex_lock( &p_intf->p_sys->lock );
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/* Notify the interfaces */
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if( p_intf->p_sys->b_triggered )
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{
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var_SetBool( p_intf->p_libvlc, "intf-show", true );
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p_intf->p_sys->b_triggered = false;
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}
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vlc_mutex_unlock( &p_intf->p_sys->lock );
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/* Take care of the video output */
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if( p_intf->p_sys->p_vout && !vlc_object_alive (p_intf->p_sys->p_vout) )
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{
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var_DelCallback( p_intf->p_sys->p_vout, "mouse-moved",
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MouseEvent, p_intf );
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var_DelCallback( p_intf->p_sys->p_vout, "mouse-button-down",
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MouseEvent, p_intf );
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vlc_object_release( p_intf->p_sys->p_vout );
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p_intf->p_sys->p_vout = NULL;
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}
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if( p_intf->p_sys->p_vout == NULL )
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{
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p_intf->p_sys->p_vout = vlc_object_find( p_intf, VLC_OBJECT_VOUT,
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FIND_ANYWHERE );
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if( p_intf->p_sys->p_vout )
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{
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var_AddCallback( p_intf->p_sys->p_vout, "mouse-moved",
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MouseEvent, p_intf );
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var_AddCallback( p_intf->p_sys->p_vout, "mouse-button-down",
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MouseEvent, p_intf );
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}
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}
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/* Wait a bit */
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msleep( INTF_IDLE_SLEEP );
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}
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if( p_intf->p_sys->p_vout )
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{
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var_DelCallback( p_intf->p_sys->p_vout, "mouse-moved",
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MouseEvent, p_intf );
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var_DelCallback( p_intf->p_sys->p_vout, "mouse-button-down",
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MouseEvent, p_intf );
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vlc_object_release( p_intf->p_sys->p_vout );
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}
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vlc_restorecancel( canc );
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}
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/*****************************************************************************
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* MouseEvent: callback for mouse events
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*****************************************************************************/
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static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
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vlc_value_t oldval, vlc_value_t newval, void *p_data )
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{
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VLC_UNUSED(p_this); VLC_UNUSED(oldval); VLC_UNUSED(newval);
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int i_mouse_x, i_mouse_y;
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intf_thread_t *p_intf = (intf_thread_t *)p_data;
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/* Do nothing when the interface is already requested */
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if( p_intf->p_sys->b_triggered )
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return VLC_SUCCESS;
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/* Nothing to do when not in fullscreen mode */
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if( !var_GetBool( p_intf->p_sys->p_vout, "fullscreen" ) )
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return VLC_SUCCESS;
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vlc_mutex_lock( &p_intf->p_sys->lock );
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if( !strcmp( psz_var, "mouse-moved" ) && !p_intf->p_sys->b_button_pressed )
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{
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i_mouse_x = var_GetInteger( p_intf->p_sys->p_vout, "mouse-x" );
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i_mouse_y = var_GetInteger( p_intf->p_sys->p_vout, "mouse-y" );
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/* Very basic test, we even ignore the x value :) */
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if ( i_mouse_y < p_intf->p_sys->i_threshold )
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{
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msg_Dbg( p_intf, "interface showing requested" );
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p_intf->p_sys->b_triggered = true;
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}
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}
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/* We keep track of the button state to avoid interferences with the
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* gestures plugin */
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if( !p_intf->p_sys->b_button_pressed &&
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!strcmp( psz_var, "mouse-button-down" ) )
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{
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p_intf->p_sys->b_button_pressed = true;
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}
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if( p_intf->p_sys->b_button_pressed &&
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!strcmp( psz_var, "mouse-button-down" ) )
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{
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p_intf->p_sys->b_button_pressed = false;
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}
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vlc_mutex_unlock( &p_intf->p_sys->lock );
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return VLC_SUCCESS;
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}
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